input[type='button']{

    height: 30px;
    border-radius: 5px;
    border: none;
}
.update-but{
    width: 60px;
    background: #21CCFC;
}
.delete-but{
    width: 60px;
    background: crimson;
}
.add-but{
    background: coral;
    width:100px;
}